#!/usr/bin/env python3
# -*- coding=utf-8 -*-
# 题目：时间函数举例4,一个猜数游戏，判断一个人反应快慢。


def f1():
    import time
    import random

    play_it = input("do you want to play it.('y' or 'n')")
    while play_it == "y":
        # play_it = input("input a character:\n")
        i = random.randint(0, 2**32) % 100
        print("please input number you guess:\n")
        start = time.time()
        # a = time.time()
        guess = int(input("input your guess:\n"))
        while guess != i:
            if guess > i:
                print("please input a little smaller")
                guess = int(input("input your guess:\n"))
            else:
                print("please input a little bigger")
                guess = int(input("input your guess:\n"))
        end = time.time()
        # b = time.time()
        var = end - start
        print(var)
        # print( 'It took you %6.3 seconds' % time.difftime(b,a)))
        if var < 15:
            print("you are very clever!")
        elif var < 25:
            print("you are normal!")
        else:
            print("you are stupid!")
        print("Congradulations")
        print("The number you guess is %d" % i)
        play_it = input("do you want to play it.")


f = f1
if __name__ == "__main__":
    f()
